8901830

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{491}}^1$

素因数の和:549

約数の個数: 48

約数和(自身を含む): 19182096

約数和(自身を除く): 10280266

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 49, 70, 74, 98, 185, 245, 259, 370, 490, 491, 518, 982, 1295, 1813, 2455, 2590, 3437, 3626, 4910, 6874, 9065, 17185, 18130, 18167, 24059, 34370, 36334, 48118, 90835, 120295, 127169, 181670, 240590, 254338, 635845, 890183, 1271690, 1780366, 4450915, 8901830]

約数ペア:

[(1, 8901830), (2, 4450915), (5, 1780366), (7, 1271690), (10, 890183), (14, 635845), (35, 254338), (37, 240590), (49, 181670), (70, 127169), (74, 120295), (98, 90835), (185, 48118), (245, 36334), (259, 34370), (370, 24059), (490, 18167), (491, 18130), (518, 17185), (982, 9065), (1295, 6874), (1813, 4910), (2455, 3626), (2590, 3437)]